2s-77=s-9

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Solution for 2s-77=s-9 equation:


Simplifying
2s + -77 = s + -9

Reorder the terms:
-77 + 2s = s + -9

Reorder the terms:
-77 + 2s = -9 + s

Solving
-77 + 2s = -9 + s

Solving for variable 's'.

Move all terms containing s to the left, all other terms to the right.

Add '-1s' to each side of the equation.
-77 + 2s + -1s = -9 + s + -1s

Combine like terms: 2s + -1s = 1s
-77 + 1s = -9 + s + -1s

Combine like terms: s + -1s = 0
-77 + 1s = -9 + 0
-77 + 1s = -9

Add '77' to each side of the equation.
-77 + 77 + 1s = -9 + 77

Combine like terms: -77 + 77 = 0
0 + 1s = -9 + 77
1s = -9 + 77

Combine like terms: -9 + 77 = 68
1s = 68

Divide each side by '1'.
s = 68

Simplifying
s = 68

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